1966 USA Standard Gear Differential & Rear-End Components

USA Standard steel spool for Dana 60 with 30 spline axles, 4.56 & up

Part Number: SPZ-59017

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USA Standard steel spool for Dana 60 with 35 spline axles, 4.56 & up

Part Number: SPZ-59018

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USA Standard mini spool for Dana 44 with 30 spline axles

Part Number: SPZ-59021

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USA Standard mini spool for Ford 9" with 28 spline axles

Part Number: SPZ-59022

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USA Standard mini spool for Ford 9" with 31 spline axles

Part Number: SPZ-59023

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USA Standard mini spool for GM 8.2"

Part Number: SPZ-59024

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8.75" Chrysler RACE Power Lok POSI , COMPLETE - SURE GRIP .

Part Number: SPZ-59026

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USA Standard Master Overhaul kit Dana 70 differential

Part Number: SPZ-37022

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USA Standard Ring & Pinion gear set for Ford 8" in a 3.55 ratio

Part Number: SPZ-36117

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Ring and Pinion Gears, 4.11:1 Ratio, 25-spline, Standard Ring Gear Rotation, Ford 8 in., Set

Part Number: SPZ-36119

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Gear, Ring and Pinion, 4.33:1 Ratio, Ford 9 in. Gear Diameter, 1.313 in. Pinion Shaft Diameter, Kit

Part Number: SPZ-36140

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USA standard ring & pinion gear set for Ford 9" in a 6.00 ratio.

Part Number: SPZ-36150

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USA standard ring & pinion gear set for Ford 9" in a 6.020 ratio.

Part Number: SPZ-36151

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USA Standard Master Overhaul kit, Chrysler, 8.75 in., 742 Case, Kit

Part Number: SPZ-37090

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USA Standard Master Overhaul kit, Chrysler, 8.75 in., 741 Case, Kit

Part Number: SPZ-37092

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USA Standard Master Overhaul kit for Chrysler 8.75" #42 housing with 25520/90 differential bearings

Part Number: SPZ-37093

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Ring and Pinion, Installation Kit, Dana 70-HD, Dana Super 70, Kit

Part Number: SPZ-58002

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Estimated Ship Date: Nov 25, 2025 if ordered today

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Pin and Spring Kit, Differential Carrier Replacement Component, Rear, Dana 60, Kit

Part Number: SPZ-17010

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Crosspin, Replacement, Steel, Spartan, Dana 30, Each

Part Number: SPZ-17016

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Crosspin, Replacement, Steel, Spartan, Dana 44, Each

Part Number: SPZ-17017

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Crosspin, Replacement, Steel, Spartan, Short, Rear, Ford 9 in., Each

Part Number: SPZ-17022

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Differential Carrier, Spartan Locker, Steel, 27-spline, Rear, Chrysler 8.25 in., Each

Part Number: SPZ-17037

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D44 19spl SPARTAN LOCKER

Part Number: SPZ-17043

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9" FORD SPARTAN LOCKER EXTRA_SHORT X/PIN SHAFT

Part Number: SPZ-17044

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Differential Carrier Replacement Parts, Spartan spring & pin kit, fits Ford 9" & Toyota V6

Part Number: SPZ-17045

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